Toc macro generates invalid XHTML lists

{{toc start=1/}}

= h1 =

== h2 ==

<!--startmacro:toc|-|start="1"|-|-->
<ul>
  <li>
    <!--startwikilink:null#Id1e1952a-e30e-465d-a673-cfbee4bad17c-->
    <span class="wikilink">
      <a href="/xwiki/bin/view/Sandbox/FF#Id1e1952a%2De30e%2D465d%2Da673%2Dcfbee4bad17c">h1</a>
    </span>
    <!--stopwikilink-->
  </li>
  <ul>
    <li>
      <!--startwikilink:null#Ib8dc6bc4-92d4-44c9-81d9-80e640b6cc6e-->
      <span class="wikilink">
        <a href="/xwiki/bin/view/Sandbox/FF#Ib8dc6bc4%2D92d4%2D44c9%2D81d9%2D80e640b6cc6e">h2</a>
      </span>
      <!--stopwikilink-->
    </li>
  </ul>
</ul>
<!--stopmacro-->
<a name="Id1e1952a-e30e-465d-a673-cfbee4bad17c" id="Id1e1952a-e30e-465d-a673-cfbee4bad17c"/>
<h1 id="Hh1"><span>h1</span></h1>
<a name="Ib8dc6bc4-92d4-44c9-81d9-80e640b6cc6e" id="Ib8dc6bc4-92d4-44c9-81d9-80e640b6cc6e"/>
<h2 id="Hh2"><span>h2</span></h2>

= h1 =

=== h3 ===